It’s hard to believe in the 21st century that train conductors are still punching tickets, but it appears that era has finally come to an end for Amtrak, who is rolling out iPhones to 1,700 conductors for a digital check-in process this summer. Hey, that makes us want to book a ticket to some far-off destination -- until we realize it’s actually cheaper to do that on a plane, and you’ll get there a whole lot faster. Oh well. In the meantime, here’s the rest of the tech news for Monday, May 7, 2012.